Harder, Better, Faster, Stronger

We start off this Sonic the Hedgehog (AU) with Sonic when he was young, training alongside his brother, Shadow. Shadow is naturally the strongest of the two and reaps high rewards for it. Sonic have to show that he is strong enough to surpass his brother but is he strong enough? Meanwhile evil is brewing and those evil eyes are hard set on Shadow.(contains romance later on) REVIEW!